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Benzidine

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Identification
Molecular formula
C12H12N2
CAS number
92-87-5
IUPAC name
4-phenylazobenzene-1,3-diamine
State
State

Benzidine is typically a solid at room temperature, appearing as crystals or crystalline powder.

Melting point (Celsius)
128.00
Melting point (Kelvin)
401.15
Boiling point (Celsius)
401.00
Boiling point (Kelvin)
674.15
General information
Molecular weight
184.22g/mol
Molar mass
184.2200g/mol
Density
1.2500g/cm3
Appearence

Benzidine appears as a white to slightly reddish crystalline solid. It may have a slight aromatic odor.

Comment on solubility

Solubility of 4-phenylazobenzene-1,3-diamine

4-phenylazobenzene-1,3-diamine, a member of the azo compound family, exhibits unique solubility characteristics that highlight its chemical behavior. Understanding its solubility is crucial for applications in various fields such as dye chemistry and materials science.

  • Solvent Dependence: The solubility of 4-phenylazobenzene-1,3-diamine is highly dependent on the solvent used. Generally, it is more soluble in organic solvents compared to aqueous solutions.
  • Polarity Influence: The presence of amine groups in its structure often enhances solubility in polar solvents, although the overall non-polar character may limit its solubility in highly polar solvents such as water.
  • Temperature Effects: Temperature variations can significantly impact the solubility; typically, increasing temperature tends to improve solubility in organic solvents.

As a general rule, “the like dissolves like” principle applies here, indicating that 4-phenylazobenzene-1,3-diamine is likely to dissolve well in solvents with similar non-polar characteristics. This compound's solubility behavior is essential for its effective use in synthesizing dyes and pigments, making a deeper understanding of its solubility a valuable asset in chemical applications.

Interesting facts

Interesting Facts about 4-phenylazobenzene-1,3-diamine

4-phenylazobenzene-1,3-diamine, also known as an azo compound, is notable for its vibrant color and intriguing chemical properties. Here are some fascinating aspects of this compound:

  • Chemical Structure: The compound consists of two aromatic rings connected by an azo (-N=N-) group, which plays a crucial role in its reactivity and color properties.
  • Color Change: Azo compounds are known for their striking colors that can be influenced by environmental factors, such as pH. This property makes them useful in dye applications.
  • Applications: 4-phenylazobenzene-1,3-diamine finds roles in various fields, particularly in:
    • Dyes: Employed in textile industries for its rich hues.
    • Analytical Chemistry: Used as a reagent in chemical analyses.
    • Material Science: Its properties can be tailored for innovative materials.
  • Health and Safety: As with many azo compounds, there are concerns regarding safety and potential carcinogenic effects, making proper handling essential.
  • Research Potential: Ongoing studies are exploring its derivatives for their potential to create new materials with advanced properties, indicating that this compound holds promise beyond its current uses.

In conclusion, 4-phenylazobenzene-1,3-diamine is a compound rich in chemical significance and practical applications. Its unique properties not only underpin its utility in various industries but also highlight the importance of ongoing research in the field of chemistry.

Synonyms
2,4-DIAMINOAZOBENZENE
495-54-5
Solvent Orange 3
Chrysoidine Y Base New
Azobenzene-2,4-diamine
2,4-Diaminoazobenzen
m-Phenylenediamine, 4-(phenylazo)-
4-(Phenylazo)-1,3-phenylenediamine
NSC 3273
2,4-Diaminoazobenzen [Czech]
Chrysoidine (free base)
Chrysoidin A
Chrysoidine (Salt/Mix)
C.I. Basic Orange 2 (Salt/Mix)
iwrvpxdhsltioc-foclmdbbsa-n
Chrysoidine free base
Chrysoidine Base
Grasan chrysoidine
1,3-Benzenediamine, 4-(phenylazo)-
Azohel
Chrysoidine Y Base
C.I. Solvent Orange 3
Waxoline Orange Y
Fat Brown GG
Chrysoidine Base A
Chrysoidine Base B
Chrysoidine G Base
Chrysoidine J Base
Chrysoidine YD Base
4-(Phenylazo)benzene-1,3-diamine
4-phenyldiazenylbenzene-1,3-diamine
4-[(E)-phenyldiazenyl]benzene-1,3-diamine
Oranz rozpoustedlova 3
CHEBI:34640
C.I.Solvent Orange 3
C.I. 11270:1
Chrysoidine G (free base)
IP3X2567YP
1,3-Benzenediamine, 4-(2-phenyldiazenyl)-
CHEMBL1739417
NSC-3273
4-PHENYLAZO-M-PHENYLENEDIAMINE
Neptune Orange 3
768311-59-7
CCRIS 3857
Oranz rozpoustedlova 3 [Czech]
EINECS 207-803-7
BRN 0745990
UNII-IP3X2567YP
AI3-61804
Diaminoazobenzene
Oranz zasadita 2
WLN: ZR CZ DNUNR
4-16-00-00561 (Beilstein Handbook Reference)
SCHEMBL752490
CHEMBL1623562
DTXSID4043856
SCHEMBL14437166
DTXSID60859410
NSC3273
IWRVPXDHSLTIOC-UHFFFAOYSA-N
DTXSID801256557
CHRYSOIDINE FREE BASE [MI]
ALBB-017766
HY-D0303
C.I. Basic Orange 2 (free base)
BDBM50496622
MFCD00044529
AKOS015854674
FS41475
NCGC00090857-02
4-[Phenyldiazenyl]-1,3-benzenediamine #
3-amino-4-[(E)-phenyldiazenyl]phenylamine
DB-051640
4-[(E)-Phenyldiazenyl]-1,3-benzenediamine
CS-0010215
NS00009973
NS00073827
NS00132712
H37724
4-[(1E)-2-Phenyldiazenyl]-1,3-benzenediamine
4-[(1Z)-2-Phenyldiazenyl]-1,3-benzenediamine
4-(2-PHENYLDIAZENYL)-1,3-BENZENEDIAMINE
1,3-Benzenediamine, 4-[(1E)-2-phenyldiazenyl]-
4-[(1E)-2-phenyldiazen-1-yl]benzene-1,3-diamine
Q26840899
4-(Phenylazo)benzene-1,3-diamine;2,4-Diaminoazobenzene;4-Phenylazo-m-phenylenediamine;SolveNt oraNge 3